Stamping Device



FIG. 1 is a perspective view of a stamping device showing my new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front elevation thereof; and,

FIG. 7 is a back view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating structural environment and form no part of the claimed design. 

The ornamental design for a stamping device, as shown and described. 